/**
* Expression function for getting a character from a string
*/
gd::String GD_API StrAt(const gd::String & str, size_t pos )
{
if ( pos < str.size() )
return str.substr(pos, 1);
return "";
}
/**
* Expression function for getting a substring from a string
*/
gd::String GD_API SubStr(const gd::String & str, size_t start, size_t length )
{
if ( start < str.size() )
return str.substr(start, length);
return "";
}
/**
* Expression function for getting a substring from a string
*/
std::size_t GD_API StrLen(const gd::String & str)
{
return str.size();
}